Physics · A-Level · AQA · AQA A-level Physics (7408) · Specification point · 3.10.5.2 · Medical physics (A-level only) · X-ray imaging (A-level only)
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3.10.5.2 Image detection and enhancement (A-level only)
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Flat panel (FTP) detector including X-ray scintillator, photodiode pixels, electronic scanning. Advantages of FTP detector compared with photographic detection. Contrast enhancement; use of X-ray opaque material as illustrated by the barium meal technique. Photographic detection with intensifying screen and fluoroscopic image intensification; reasons for using these. |